VDD
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  • 參數(shù)資料
    型號(hào): AD8402ARZ10-REEL
    廠商: Analog Devices Inc
    文件頁(yè)數(shù): 29/32頁(yè)
    文件大小: 0K
    描述: IC POT DIG DUAL 10K 8BIT 14SOIC
    標(biāo)準(zhǔn)包裝: 2,500
    接片: 256
    電阻(歐姆): 10k
    電路數(shù): 2
    溫度系數(shù): 標(biāo)準(zhǔn)值 500 ppm/°C
    存儲(chǔ)器類型: 易失
    接口: 3 線 SPI(芯片選擇)
    電源電壓: 2.7 V ~ 5.5 V
    工作溫度: -40°C ~ 125°C
    安裝類型: 表面貼裝
    封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
    供應(yīng)商設(shè)備封裝: 14-SOICN
    包裝: 帶卷 (TR)
    AD8400/AD8402/AD8403
    Rev. E | Page 6 of 32
    ELECTRICAL CHARACTERISTICS—50 KΩ AND 100 KΩ VERSIONS
    VDD = 3 V ± 10% or 5 V ± 10%, VA = VDD, VB = 0 V, 40°C ≤ TA ≤ +125°C, unless otherwise noted.
    Table 2.
    Parameter
    Symbol
    Conditions
    Min
    Typ1
    Max
    Unit
    DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs)
    Resistor Differential NL2
    R-DNL
    RWB, VA = No Connect
    1
    ±1/4
    +1
    LSB
    Resistor Nonlinearity2
    R-INL
    RWB, VA = No Connect
    2
    ±1/2
    +2
    LSB
    Nominal Resistance3
    RAB
    TA = 25°C, Model: AD840XYY50
    35
    50
    65
    RAB
    TA = 25°C, Model: AD840XYY100
    70
    100
    130
    Resistance Tempco
    ΔRAB/ΔT
    VAB = VDD, Wiper = No Connect
    500
    ppm/°C
    Wiper Resistance
    RW
    VDD = 5V, IW = VDD/RAB
    50
    100
    Ω
    RW
    VDD = 3V, IW = VDD/RAB
    200
    Ω
    Nominal Resistance Match
    ΔR/RAB
    CH 1 to CH 2, CH 3, or CH 4, VAB = VDD, TA = 25°C
    0.2
    1
    %
    DC CHARACTERISTICS POTENTIOMETER DIVIDER (Specifications Apply to All VRs)
    Resolution
    N
    8
    Bits
    Integral Nonlinearity4
    INL
    4
    ±1
    +4
    LSB
    Differential Nonlinearity4
    DNL
    VDD = 5 V
    1
    ±1/4
    +1
    LSB
    DNL
    VDD = 3 V, TA = 25°C
    1
    ±1/4
    +1
    LSB
    DNL
    VDD = 3 V, TA = 40°C to +85°C
    1.5
    ±1/2
    +1.5
    LSB
    Voltage Divider Tempco
    ΔVW/ΔT
    Code = 80H
    15
    ppm/°C
    Full-Scale Error
    VWFSE
    Code = FFH
    1
    0.25
    0
    LSB
    Zero-Scale Error
    VWZSE
    Code = 00H
    0
    +0.1
    +1
    LSB
    RESISTOR TERMINALS
    Voltage Range5
    VA, VB, VW
    0
    VDD
    V
    Capacitance6 Ax, Bx
    CA, CB
    f = 1 MHz, measured to GND, code = 80H
    15
    pF
    Capacitance6 Wx
    CW
    f = 1 MHz, measured to GND, code = 80H
    80
    pF
    Shutdown Current7
    IA_SD
    VA = VDD, VB = 0 V, SHDN = 0
    0.01
    5
    μA
    Shutdown Wiper Resistance
    RW_SD
    VA = VDD, VB = 0 V, SHDN = 0, VDD = 5 V
    100
    200
    Ω
    DIGITAL INPUTS AND OUTPUTS
    Input Logic High
    VIH
    VDD = 5 V
    2.4
    V
    Input Logic Low
    VIL
    VDD = 5 V
    0.8
    V
    Input Logic High
    VIH
    VDD = 3 V
    2.1
    V
    Input Logic Low
    VIL
    VDD = 3 V
    0.6
    V
    Output Logic High
    VOH
    RL = 2.2 kΩ to VDD
    VDD 0.1
    V
    Output Logic Low
    VOL
    IOL = 1.6 mA, VDD = 5 V
    0.4
    V
    Input Current
    IIL
    VIN = 0 V or 5 V, VDD = 5 V
    ±1
    μA
    Input Capacitance6
    CIL
    5
    pF
    POWER SUPPLIES
    Power Supply Range
    VDD range
    2.7
    5.5
    V
    Supply Current (CMOS)
    IDD
    VIH = VDD or VIL = 0 V
    0.01
    5
    μA
    Supply Current (TTL)8
    IDD
    VIH = 2.4 V or 0.8 V, VDD = 5.5 V
    0.9
    4
    mA
    Power Dissipation (CMOS)9
    PDISS
    VIH = VDD or VIL = 0 V, VDD = 5.5 V
    27.5
    μW
    Power Supply Sensitivity
    PSS
    VDD = 5 V ± 10%
    0.0002
    0.001
    %/%
    PSS
    VDD = 3 V ± 10%
    0.006
    0.03
    %/%
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